Guile Segfaulting on guix build -f

DoneSubmitted by Nicolò Balzarotti.
Details
4 participants
  • Nicolò Balzarotti
  • Julien Lepiller
  • Leo Prikler
  • Ludovic Courtès
Owner
unassigned
Severity
important
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Nicolò Balzarotti wrote on 13 Apr 23:36 +0200
(address . bug-guix@gnu.org)
87im4pooif.fsf@guixSD.i-did-not-set--mail-host-address--so-tickle-me
Hi guix!
A package definition that used to build fine, recently (don't knowexactly when) started failing, with guile segfaulting.
After removing a few things, it seems that the MWE is this:
echo '(use-modules (guix git-download)) (git-predicate "repo")'>m.scmmkdir repoguix build -f m.scmSegmentation fault
guix describe:
guix 2a62425 repository URL: https://git.savannah.gnu.org/git/guix.git branch: master commit: 2a624253bc55e2a94f6581d6e790303575436c96
One of the two computers provides substitute to the other, so maybe myguile is somehow damaged? Can any of you reproduce it?
Thanks, Nicolò
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Nicolò Balzarotti wrote on 13 Apr 23:52 +0200
(address . bug-guix@gnu.org)
87eefdonrf.fsf@guixSD.i-did-not-set--mail-host-address--so-tickle-me
Nicolò Balzarotti <anothersms@gmail.com> writes:
Toggle quote (4 lines)> mkdir repo> guix build -f m.scm> Segmentation fault
I wanted to add that
$ guile m.scm
does not crash, don't know if this is of any help
J
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Julien Lepiller wrote on 14 Apr 00:33 +0200
Re: bug#47761: Guile Segfaulting on guix build -f
(name . Nicolò Balzarotti)(address . anothersms@gmail.com)(address . 47761@debbugs.gnu.org)
20210414003358.54fa9c37@tachikoma.lepiller.eu
Le Tue, 13 Apr 2021 23:36:40 +0200,Nicolò Balzarotti <anothersms@gmail.com> a écrit :
Toggle quote (27 lines)> Hi guix!> > A package definition that used to build fine, recently (don't know> exactly when) started failing, with guile segfaulting.> > After removing a few things, it seems that the MWE is this:> > echo '(use-modules (guix git-download)) (git-predicate "repo")'>m.scm> mkdir repo> guix build -f m.scm> Segmentation fault> > guix describe:> > guix 2a62425> repository URL: https://git.savannah.gnu.org/git/guix.git> branch: master> commit: 2a624253bc55e2a94f6581d6e790303575436c96> > One of the two computers provides substitute to the other, so maybe my> guile is somehow damaged? Can any of you reproduce it?> > Thanks, Nicolò> > >
I can reproduce the segfault when "repo" is a directory that exists(seems to be independent from content, I can reproduce with an emptydirectory and an actually git repository), from guix repl:
scheme@(guix-user)> (use-modules (guix git-download))scheme@(guix-user)> (git-predicate "repo")Erreur de segmentation
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Leo Prikler wrote on 14 Apr 00:54 +0200
Re: Guile Segfaulting on guix build -f
f3d7037dc9fa22d3d71134dd752cca39cd32ce5d.camel@student.tugraz.at
Hi Nicolò
Am Dienstag, den 13.04.2021, 23:36 +0200 schrieb Nicolò Balzarotti:
Toggle quote (22 lines)> Hi guix!> > A package definition that used to build fine, recently (don't know> exactly when) started failing, with guile segfaulting.> > After removing a few things, it seems that the MWE is this:> > echo '(use-modules (guix git-download)) (git-predicate "repo")'>m.scm> mkdir repo> guix build -f m.scm> Segmentation fault> > guix describe:> > guix 2a62425> repository URL: https://git.savannah.gnu.org/git/guix.git> branch: master> commit: 2a624253bc55e2a94f6581d6e790303575436c96> > One of the two computers provides substitute to the other, so maybe> my> guile is somehow damaged? Can any of you reproduce it?
I managed to somewhat isolate the bug even further:
(let* ((directory (string-append (canonicalize-path directory) "/")) (dot-git (repository-discover directory)) ; <- here (repository (repository-open dot-git)) (workdir (repository-working-directory repository)) (head (repository-head repository)) (oid (reference-target head)) (commit (commit-lookup repository oid)) (tree (commit-tree commit)) (files (tree-list tree)))
repository-discover is an FFI call into libgit2, that appears to besegfaulting while… trying to prettify some filename? At least that'swhat "git_path_prettify", which lies on the call trace sounds like.
Regards,Leo
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Ludovic Courtès wrote on 18 Apr 12:21 +0200
control message for bug #47761
(address . control@debbugs.gnu.org)
87y2dflwpk.fsf@gnu.org
severity 47761 importantquit
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Ludovic Courtès wrote on 18 Apr 12:22 +0200
Re: bug#47761: Guile Segfaulting on guix build -f
(name . Nicolò Balzarotti)(address . anothersms@gmail.com)(address . 47761-done@debbugs.gnu.org)
87tuo3lwof.fsf@gnu.org
Hi Nicolò,
Nicolò Balzarotti <anothersms@gmail.com> skribis:
Toggle quote (10 lines)> A package definition that used to build fine, recently (don't know> exactly when) started failing, with guile segfaulting.>> After removing a few things, it seems that the MWE is this:>> echo '(use-modules (guix git-download)) (git-predicate "repo")'>m.scm> mkdir repo> guix build -f m.scm> Segmentation fault
This is now fixed:
https://issues.guix.gnu.org/47797
Thanks!
Ludo’.
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